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drm/amdgpu: Switch to gfx_v12_1_get_xccs_per_xcp

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Use gfx v12_1 callback to query the numbers of xccs
per xcp

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2025-08-19 15:53:45 +08:00 committed by Alex Deucher
parent 1e5d97a5c5
commit a0702a514f
1 changed files with 11 additions and 2 deletions
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13
drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
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@ -718,10 +718,19 @@ static void gfx_v12_1_select_me_pipe_q(struct amdgpu_device *adev,
soc_v1_0_grbm_select(adev, me, pipe, q, vm, GET_INST(GC, xcc_id));
}
#define regGFX_IMU_PARTITION_SWITCH 0x5f8c
#define regGFX_IMU_PARTITION_SWITCH_BASE_IDX 1
#define GFX_IMU_PARTITION_SWITCH__TOTAL_XCCS_IN_XCP__SHIFT 0x2
#define GFX_IMU_PARTITION_SWITCH__TOTAL_XCCS_IN_XCP_MASK 0x0000003CL
static int gfx_v12_1_get_xccs_per_xcp(struct amdgpu_device *adev)
{
/* Fill this in when the interface is ready */
return 1;
u32 reg_data;
/* the register data is expected to be the same on all instances */
reg_data = RREG32_SOC15(GC, GET_INST(GC, 0), regGFX_IMU_PARTITION_SWITCH);
return REG_GET_FIELD(reg_data, GFX_IMU_PARTITION_SWITCH, TOTAL_XCCS_IN_XCP);
}
static int gfx_v12_1_ih_to_xcc_inst(struct amdgpu_device *adev, int ih_node)